package com.atguigu.flinksql.day13.udf;

import org.apache.flink.table.annotation.DataTypeHint;
import org.apache.flink.table.annotation.InputGroup;
import org.apache.flink.table.functions.ScalarFunction;

/**
 * ClassName: upFuntion
 * Package: com.atguigu.flinksql.day13.udf
 * Description:
 *
 * @Author ChenJun
 * @Create 2023/4/21 19:25
 * @Version 1.0
 */
public class upFunction extends ScalarFunction {

    public String eval(String input) {
        return input.toUpperCase();
    }
}
